package com.design.demo4;

public class test {

	public static void main(String[] args) {
	      //定义观察目标对象
		AllyControlCenter acc;
        acc = new ConcreteAllyControlCenter("金庸群侠");

        //定义四个观察者对象
        Observer player1,player2,player3,player4;

        player1 = new Player("杨过");
        acc.join(player1);

        player2 = new Player("令狐冲");
        acc.join(player2);

        player3 = new Player("张无忌");
        acc.join(player3);

        player4 = new Player("段誉");
        acc.join(player4);

        //某成员遭受攻击
        player1.beAttacked(acc);
	}
}
